Var. 12 - Canone alla Quarta

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11506188
CopyrightID (CopyrightChains transaction hash)
0x805858f029c903bd39f3443e32ff25bbaecf4b1912a6907505e0f388780ec7e0
Copyright registration time
2026-06-08T11:36:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a0df88b98ed3e419315717ba11de6fbcfe671b27e5d2e453ac187cebdc2a73c4

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.